发明名称 |
Method for the preparation of 2-hydroxyarylaldehydes. |
摘要 |
<p>A method for the preparation of a 2-hydroxyarylaldehyde which comprises reacting an aryloxymagnesium halide derived from a phenol having at least one free ortho position relative to the phenolic hydroxy group with formaldehyde or a formaldehyde-liberating compound under substantially anhydrous conditions in the presence of a polar organic solvent other than hexamethylphosphoramide or 1,3-dimethyl-3,4,5,6-2(1H)-pyrimidone.</p> |
申请公布号 |
EP0583910(A1) |
申请公布日期 |
1994.02.23 |
申请号 |
EP19930306115 |
申请日期 |
1993.08.03 |
申请人 |
ZENECA LIMITED |
发明人 |
COX, BRIAN GEOFFREY;LEVIN, DANIEL |
分类号 |
C07C47/565;C07C45/67;C07C45/68;(IPC1-7):C07C45/68 |
主分类号 |
C07C47/565 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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